6. Glossary – Definitions

Finite element method

Method for calculating numerical solutions of mechanical behavior models (volume media, beams, plates, shells), also applicable in physics to any representation by partial differential equations.

Random process

A function of a random variable indexed to time or space (in this case also called a "random field").

Stochastic model data

Model for representing data by a vector of random variables or a process indexed in time and space.

Uncertainty (uncertainty )

Characterizes data whose numerical value can only be estimated approximately.

Uncertainty propagation

Characterizes the transition from uncertain data to calculation results.

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